40155676398 has 32 divisors (see below), whose sum is σ = 89258400000. Its totient is φ = 13381690968.

The previous prime is 40155676373. The next prime is 40155676423. The reversal of 40155676398 is 89367655104.

40155676398 is a `hidden beast` number, since 4 + 0 + 15 + 567 + 63 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (40155676373) and next prime (40155676423).

It is a super-2 number, since 2×40155676398² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112353 + ... + 304851.

It is an arithmetic number, because the mean of its divisors is an integer number (2789325000).

Almost surely, 2^40155676398 is an apocalyptic number.

40155676398 is an abundant number, since it is smaller than the sum of its proper divisors (49102723602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40155676398 is a wasteful number, since it uses less digits than its factorization.

40155676398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196373 (or 196367 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 40155676398 in words is "forty billion, one hundred fifty-five million, six hundred seventy-six thousand, three hundred ninety-eight".